Triple

T21326517
Position Surface form Disambiguated ID Type / Status
Subject Bantam River E525771 entity
Predicate tributaryOf P415 FINISHED
Object Housatonic River NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Housatonic River | Statement: [Bantam River, tributaryOf, Housatonic River]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Housatonic River
Context triple: [Bantam River, tributaryOf, Housatonic River]
  • A. Housatonic River chosen
    The Housatonic River is a major New England waterway that flows from western Massachusetts through western Connecticut to Long Island Sound, known for its scenic valleys, recreation, and historical mill towns.
  • B. Blackstone River
    The Blackstone River is a historically significant river in New England that played a key role in the American Industrial Revolution, flowing through Massachusetts and Rhode Island before emptying into Narragansett Bay.
  • C. Acushnet River
    The Acushnet River is a short tidal river in southeastern Massachusetts that flows into Buzzards Bay and historically supported New Bedford’s whaling and industrial economy.
  • D. Farmington River
    The Farmington River is a prominent river in north-central Connecticut known for its scenic beauty, recreational opportunities like fishing and paddling, and historic mill and industrial sites along its banks.
  • E. Pomperaug River
    The Pomperaug River is a scenic waterway in western Connecticut known for its trout fishing, historic mill sites, and role in shaping the Pomperaug River Valley’s landscape and communities.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b51b90788190a4dd823d962626da elicitation completed
NER batch_69e7ab49aa48819083b3793657903216 ner completed
Created at: April 16, 2026, 4:41 p.m.